KR20210091396A - Ringer pole for walking distance and gait analysis, and patient walking satate monitoring system thereof - Google Patents

Abstract

The present invention relates to a Ringer's solution hanging pole capable of analyzing a walking distance and walking posture and a system for monitoring patient's walking conditions using the same, wherein the Ringer's solution hanging pole according to an embodiment of the present invention comprises: a body with wheels provided at a lowermost end, and a handle for gripping by a patient in a middle one area; a camera placed at the lowermost end of the body and shooting images of floor; a sensor unit disposed in one area of the middle part of the body to detect a separation distance between the body and a part of the patient's body and a height of one part of the body; and a control unit estimating the walking distance of the patient based on the floor image, and estimating the walking posture of the patient based on the separation distance and height.

Description

A fluid hanger that can analyze walking distance and gait posture and a patient's gait status monitoring system using the same {RINGER POLE FOR WALKING DISTANCE AND GAIT ANALYSIS, AND PATIENT WALKING SAATE MONITORING SYSTEM THEREOF}

The present invention relates to a fluid hanger capable of analyzing walking distance and gait posture and a system for monitoring a patient's gait state using the same, and more particularly, to a gait state such as distance, time, posture, etc. of walking recommended to increase the recovery speed of a patient And it relates to a device and system for an infusion hanger that can measure and monitor the patient's exercise amount.

In the ward where patients live, in order to speed up the recovery of the patient, the medical staff recommends that the patient perform an appropriate walking exercise throughout the day. That is, appropriate walking exercise activates physical functions that have been degraded in the treatment process such as surgery, and since it is an exercise that has less physical burden compared to other exercises, it is difficult for the patient to walk around the hospital or its surroundings for a certain period of time during the day. It can be seen as one of the ways to further accelerate the recovery process.

However, since walking exercise is a recommendation performed by the patient's free will, there is a problem that most patients with reduced physical function do not try to perform it proactively. In addition, even if the patient performs a walking exercise, there is a problem in that the medical staff cannot properly grasp the gait state, such as how much time and intensity the patient walks, and whether the patient is walking in a stable posture.

Therefore, it is necessary to provide an apparatus and system capable of determining whether a patient is performing a walking exercise according to a recommendation by monitoring the patient's gait. In addition, it is necessary to provide an apparatus and system capable of predicting the patient's recovery by dataizing the patient's walking distance and time by monitoring the patient's gait and providing an appropriate recovery program to the patient.

Republic of Korea Patent Publication No. 10-2014-0083640 (2014.07.04.)

The present invention has been devised according to the necessity as described above, and by measuring the walking distance and gait of the patient using the infusion hanger used in the recovery process of the patient, it provides a device capable of accurately measuring the patient's walking state. has a purpose

In addition, an object of the present invention is to provide a monitoring system capable of predicting the patient's recovery level based on information related to the patient's gait measured through the above-described device and providing a recovery program suitable for the patient.

The infusion hanger capable of measuring walking distance and gait according to an embodiment of the present invention is provided with a wheel at the lowermost end, and a handle for gripping the patient is provided in one middle region of the main body, disposed at the lowermost end of the main body, the floor image A camera that takes a picture, is placed in the middle and middle area of the main body, and estimates the patient's walking distance based on the sensor unit and the floor image that detects the separation distance between the main body and a part of the patient's body and the height of the body part, and the separation distance And it may include a control unit for estimating the patient's gait based on the height.

The controller according to an embodiment of the present invention divides each of the floor images photographed according to a predetermined period through the camera into a plurality of cells, and divides the plurality of cells of each of the floor images in time order. By comparison, it is possible to analyze changes in the positions of cells with the same image.

The sensor unit according to an embodiment of the present invention includes a first sensor module for detecting the separation distance between the body and the shoulder region and the height of the shoulder region, and for detecting the separation distance between the body and the pelvic region and the height of the pelvis region. It may include a second sensor module.

The control unit according to an embodiment of the present invention compares the heights of the patient's shoulder region and the pelvic region before and during walking, and analyzes the separation distance between the main body and the patient's shoulder region and pelvis region during walking, thereby gait posture of the patient can be estimated.

The sensor unit according to an embodiment of the present invention may further include a third sensor module for measuring pressure and shaking applied to the handle in order to detect whether the patient has fallen.

The main body according to an embodiment of the present invention may further include an auxiliary camera disposed on one middle region of the main body to photograph one region of the patient's body spaced apart from the main body.

The body according to an embodiment of the present invention may further include a light source module that is sequentially turned on according to the movement distance of the patient.

The patient's gait status monitoring system using the infusion hanger according to an embodiment of the present invention is based on the information on the walking distance and gait transmitted from the infusion hanger and the infusion hanger according to the above-described embodiment using the infusion hanger. It may include a server that analyzes the patient's exercise amount and gait state, and a user terminal capable of wired/wireless interlocking with the infusion hanger and the server to output information about the patient's exercise amount and gait state analyzed by the server.

The user terminal according to an embodiment of the present invention may output a warning alarm based on the presence or absence of a fall of the patient determined by the infusion hanger.

According to the IV hanger and the system using the same provided as an embodiment of the present invention, the patient's walking distance and walking time as well as the gait posture can be estimated through the camera and sensor installed on the IV hanger, so the patient using the IV hanger It is possible to accurately provide the amount of exercise related to walking, and it is possible to prevent musculoskeletal disorders in patients by maintaining the correct posture while walking.

In addition, since the patient's walking distance, walking time, and gait posture can be measured and dataized through the infusion hanger, it is possible to create a ward environment in which medical staff can monitor the patient in real time. In addition, by quantifying the patient's recovery level based on datad information such as the patient's walking distance, walking time, and gait posture, the patient's recovery process can be appropriately predicted and a ward environment that can establish a patient-specific recovery program is created. can provide

1 is a perspective view of an infusion hanger capable of measuring a walking distance and a gait according to an embodiment of the present invention.
2A and 2B are diagrams illustrating a method of measuring a walking distance of a controller based on a floor image of a camera according to an embodiment of the present invention.
3A and 3B are diagrams illustrating a method of measuring a gait of a control unit based on a sensing value of a sensor unit according to an embodiment of the present invention.
4 is a perspective view of a handle according to an embodiment of the present invention.
5 is a perspective view and an enlarged view of a light source module included in the body according to an embodiment of the present invention.
6 is a block diagram of a patient's gait state monitoring system using an infusion hanger according to an embodiment of the present invention.

Terms used in this specification will be briefly described, and the present invention will be described in detail.

The terms used in the present invention have been selected as currently widely used general terms as possible while considering the functions in the present invention, but these may vary depending on the intention or precedent of a person skilled in the art, the emergence of new technology, and the like. In addition, in a specific case, there is a term arbitrarily selected by the applicant, and in this case, the meaning will be described in detail in the description of the corresponding invention. Therefore, the term used in the present invention should be defined based on the meaning of the term and the overall content of the present invention, rather than the name of a simple term.

When a part "includes" a certain element throughout the specification, this means that other elements may be further included, rather than excluding other elements, unless otherwise stated. In addition, terms such as "...unit" and "module" described in the specification mean a unit that processes at least one function or operation, which may be implemented as hardware or a combination of hardware and software. Also, throughout the specification, when a part is "connected" with another part, this includes not only the case of being "directly connected" but also the case of being connected "with another configuration in between".

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art can easily carry out the present invention. However, the present invention may be embodied in various different forms and is not limited to the embodiments described herein. And in order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of an infusion hanger 100 capable of measuring a walking distance and a gait according to an embodiment of the present invention.

Referring to Figure 1, the infusion hanger 100 according to an embodiment of the present invention may include a main body 10 consisting of a lower frame (10a), a middle frame (10b) and an upper frame (10c). The lower frame 10a of the main body 10 may be provided with wheels 11 for moving the infusion hanger 100 and a camera 20 for photographing a floor image of a place where the patient walks. The middle frame 10b has a handle 12 for gripping the patient, a sensor unit 30 that detects the separation distance between the main body 10 and a part of the patient's body and the height of the body part, and sequentially according to the movement distance of the patient. A light source module 60 that is turned on may be provided. In addition, although not shown in FIG. 1 , the patient's walking distance is estimated based on the floor image taken by the camera 20 in the inside of the middle frame 10b, and the patient's gait posture based on the separation distance and height A control unit 40 for estimating may be provided.

The camera 20 according to an embodiment of the present invention is a configuration for photographing a floor image that changes while the infusion hanger 100 moves, and the lower frame 10a of the main body 10 so that the photographing can be performed stably. may be disposed at the center of the bottom surface of the At this time, whether or not the camera 20 is operated may be determined by the movement of the infusion hanger 100 such as rotation of the wheel 11 or independently determined based on a predetermined shooting cycle. For example, when the infusion hanger 100 is moved by the patient, the wheel 11 provided at the end of the lower frame 10a rotates, so that the camera 20 operates simultaneously with the rotation of the wheel 11 The floor image may be photographed according to a predetermined period. Alternatively, the camera 20 may take a floor image by operating independently regardless of the movement of the infusion hanger 100 based on the shooting cycle set by the camera 20 itself.

The sensor unit 30 according to an embodiment of the present invention includes a first sensor module 31 for detecting the separation distance between the body 10 and the shoulder region of the patient and the height of the shoulder region, and the body 10 and the pelvis of the patient. It may include a second sensor module 32 for detecting the separation distance of the region and the height of the pelvic region. Most of the patients walk in the wrong posture in the form of the pelvis moving away from the IV hanger 100 in the process of supporting the body on the IV hanger 100, so the position of the shoulder and pelvic areas that best represent the change to this wrong posture For sensing, the first sensor module 31 may be disposed above the handle 12 , and the second sensor module 32 may be disposed below the handle 12 . At this time, the first sensor module 31 and the second sensor module 32 move up and down along the outer surface of the middle frame 10b so as to accurately detect the positions of the shoulder region and the pelvic region, which vary depending on the patient's physical condition. can be The movement of the first sensor module 31 and the second sensor module 32 may be performed manually/automatically by a user's manipulation, and based on the patient's body image captured by the auxiliary camera 50 to be described later. It can also be done automatically.

The controller 40 according to an embodiment of the present invention divides each of the floor images photographed according to a predetermined cycle through the camera 20 into a plurality of cells, and a plurality of cells of each of the floor images. It is possible to analyze changes in the positions of cells with the same image by comparing them in chronological order. That is, the control unit 40 determines the region of interest, which is the core of analysis, from the floor image transmitted in real time from the camera 20 described above, and analyzes the change in position over time of the region to estimate the moving distance. there is.

For example, when the first floor image is measured by the camera 20 disposed at the center of the bottom of the lower frame 10a, the controller 40 divides the first floor image into a plurality of cells having a certain size, and Key cells that are easy to distinguish are determined through feature comparison between them. When the secondary floor image is measured by the camera 20 according to a predetermined period determined by 0.2 seconds, 0.5 seconds, etc., the controller 40 divides the secondary floor image into a plurality of cells having a predetermined size, and the primary floor The core cells determined from the image are extracted from the secondary floor image. The control unit 40 compares the extracted core cells of the secondary bottom image with the core cells of the primary bottom image to calculate a position change value of the core cells. Based on the position change values of the core cells calculated through this process, the controller 40 estimates the movement distance of the patient.

In addition, the control unit 40 according to an embodiment of the present invention compares the heights of the patient's shoulder region and the pelvic region before and during walking, and measures the separation distance between the body 10 and the patient's shoulder region and pelvis region during walking. By analyzing, it is possible to estimate the patient's gait. That is, the control unit 40 determines what posture the patient maintains in the process of walking using the infusion hanger 100 based on the change in the separation distance and height transmitted in real time from the aforementioned sensor modules 31 and 32 . can be estimated At this time, the change in the separation distance and height of the shoulder region and the pelvic region may be detected based on the positions of the shoulder region and the pelvic region in the state where the IV holder 100 is stopped (i.e. the patient's upright state).

For example, before the patient walks while holding the handle 12, the first sensor module 31 detects the height of the patient's shoulder region and the separation distance from the body 10, and the second sensor module 32 The height of the patient's pelvic region and the separation distance from the main body 10 are sensed, and the controller 40 sets this as a reference value. When walking starts and the separation distance and height are sensed from the first sensor module 31 and the second sensor module 32, the control unit 40 detects a change in the separation distance and height based on the above-described reference value, and walking Estimate which gait the patient takes throughout the process.

On the other hand, the auxiliary camera 50 according to an embodiment of the present invention is an additional configuration for increasing the detection accuracy by the first sensor module 31 and the second sensor module 32, so that the entire body of the patient can be photographed. It may be disposed in one area of the middle frame 10b adjacent to the upper frame 10c of the main body 10 . The body image taken by the auxiliary camera 50 is used to determine the height of the patient's shoulder region and pelvic region and to position the sensor modules 31 and 32 in an appropriate region, or the patient's It can be used to image gait.

2A and 2B are diagrams illustrating a walking distance measurement method of the controller 40 based on the floor image of the camera 20 according to an embodiment of the present invention.

As shown in FIG. 2A , in order to increase the accuracy of the movement distance estimation, the controller 40 may divide the floor image into cells having the same size without using the floor image as it is. Each of the cells has different characteristics due to the unique pattern of the floor, foreign substances adhered to the floor, etc., and the controller 40 may set a set of cells with distinct characteristics as the region of interest, as shown in the orange region of FIG. 2A. .

Referring to FIG. 2B , the controller 40 may perform the same operation as the above-described process on the second floor image taken after the first floor image corresponding to the background of FIG. 2B . In this case, the controller 40 does not separately set a region of interest for the second floor image, and searches whether there is a region identical to the region of interest in the first floor image (ie, the orange region in FIG. 2A ). there is. Since the orange region of FIG. 2B has the same characteristics as the orange region of FIG. 2A , the controller 40 may calculate how much the patient has moved over time by comparing the positions of the two regions.

3A and 3B are diagrams illustrating a method of measuring a gait of the control unit 40 based on a detection value of the sensor unit 30 according to an embodiment of the present invention.

Referring to FIG. 3A , the first sensor module 31 and the second sensor module (31) detect the positions of the shoulder region and the pelvis region for setting the reference and confirming the patient's basic upright posture while the infusion hanger 100 is stopped. 32) can be carried out. For example, by the first sensor module 31, the separation distance between the middle frame 10b of the main body 10 and the shoulder region of the patient is measured as d1, and d1 is set as a reference value for identifying a change in the separation distance. can In addition, the separation distance between the middle frame 10b of the main body 10 and the pelvic region of the patient is measured by the second sensor module 32 as d2, and d2 may be set as a reference value for identifying a change in the separation distance. .

When the patient is overly dependent on the IV hanger 100 in the walking process, the patient takes a moving posture in which the waist falls to the rear, as shown in FIG. 3B . When such a moving posture is taken, the separation distance between the IV holder 100 and the patient's shoulder region is inevitably reduced, and the separation distance between the IV holder 100 and the patient's pelvic region is inevitably increased. In addition, the height of the shoulder region of the patient is inevitably lowered, and in some cases, the height of the pelvic region may also be lowered. For example, the separation distance d1' between the middle frame 10b of the main body 10 and the patient's shoulder region by the first sensor module 31 is measured as a smaller value than the reference value d1, and the second sensor module By (32), the separation distance d2' between the middle frame 10b of the main body 10 and the pelvic region of the patient may be measured as a larger value than the reference value d2. Based on these changes, it can be estimated what kind of gait the patient is taking during the gait process.

4 is a perspective view of the handle 12 according to an embodiment of the present invention.

Referring to FIG. 4 , the handle 12 according to an embodiment of the present invention may be formed in a ring shape so that the patient's grip force can be evenly transmitted to the handle 12 . That is, since the IV hanger 100 is moved by the force transmitted from the patient through the handle 12, the handle 12 has a ring shape so that the patient's pushing or pulling force can be completely transmitted through the handle 12. can be formed with For example, as shown in (a) of FIG. 4 , the handle 12 may be formed in a butterfly shape in which two rings are combined based on the central frame of the body 10 . In addition, as shown in (b) of Figure 4, the handle 12 may be formed in a circular ring shape in which the central frame of the main body 10 is located in the center.

On the other hand, the handle 12 according to an embodiment of the present invention may be provided with a third sensor module 33 for measuring the pressure and shaking applied to the handle 12 in order to detect whether a patient has fallen. Since the patient moves depending on the handle 12 of the infusion hanger 100, when a fall accident such as the patient falls while walking, the force that the patient grabs or presses the handle 12 occurs and , which may cause shaking (ie vibration) in the handle 12 . In order to determine whether a fall accident has occurred while walking by detecting the change in force and the occurrence of shaking, the sensor module connects the above-described ring-shaped handle 12 and the handle 12 and the central frame of the main body 10. It may be embedded in the fastening member.

For example, referring to (a) of Figure 4, inside the butterfly-shaped handle 12, a weight sensor module for detecting the force of the patient pressing the handle 12, the change in the force of pressing the handle 12 A vibration sensor module or an acceleration sensor module for detecting vibration caused by the vibration may be provided. Referring to (b) of FIG. 4 , a pressure sensor module for detecting the strength of the patient gripping the handle 12 may be provided inside the circular ring-shaped handle 12 . In addition, inside the fastening member connecting the circular ring-shaped handle 12 and the main body 10 , a weight sensor module for detecting a change in weight transmitted from the handle 12 and a patient gripping the handle 12 . An acceleration sensor module for detecting vibration caused by a change in intensity may be provided.

5 is a perspective view and an enlarged view of the light source module 60 included in the main body 10 according to an embodiment of the present invention.

The light source module 60 according to an embodiment of the present invention is composed of a plurality of LEDs and may be provided in the middle frame 10b. For example, the light source module 60 may be configured integrally with the middle frame 10b as shown in FIG. 1 or may be configured in a form embedded in one region of the middle frame 10b as shown in FIG. 5 . When the movement distance of the patient is measured through the controller 40 , the plurality of LEDs constituting the light source module 60 may be sequentially turned on as the measured movement distance increases. The movement distance of the patient for illuminating one LED may be set in advance at the time of initial manufacture, or may be set or changed through the user terminal 300, which will be described later.

6 is a block diagram of a system for monitoring a patient's gait state using the infusion hanger 100 according to an embodiment of the present invention.

Referring to Figure 6, the patient's momentum measurement system using the IV hanger 100 according to an embodiment of the present invention, the IV hanger 100 according to the above-described embodiment, the gait transmitted from the IV hanger (100) The server 200 that analyzes the amount of motion and gait state of the patient using the infusion hanger 100 based on the information on distance and gait, and information on the patient's exercise amount and gait state analyzed by the server 200 It may include a user terminal 300 capable of wired/wireless interworking with the infusion hanger 100 and the server 200 for output.

The server 200 according to an embodiment of the present invention may predict the recovery speed of the patient based on information on the amount of exercise analyzed for each patient using the infusion hanger 100 . In addition, the server 200 may generate a gait program suitable for the exercise ability of the patient based on the information on the amount of exercise analyzed for each patient using the infusion hanger 100 . For example, the server 200 determines how much the patient recovers compared to the initial treatment time at a predetermined time based on the time-series analysis of the patient's exercise amount using the infusion hanger 100 and the patient's diagnostic record stored in the database. can be estimated. In addition, the server 200 can estimate the change in the patient's exercise ability through time-series analysis of the patient's exercise amount using the infusion hanger 100, and it relates to the walking time and distance suitable for the patient's current exercise ability. information can be derived. The estimated or derived information may be transmitted to the user terminal 300 and provided to the user of the user terminal 300 .

In addition, the server 200 according to an embodiment of the present invention may generate feedback information for correcting the patient's gait based on the information about the patient's gait state. For example, if the server 200 is analyzed that the patient's overall gait is made with the wrong posture in which the pelvis falls back, the server 200 checks the time when the patient's pelvis falls back, and warns the patient to be conscious of the time. You can create embedded feedback information. The generated information may be transmitted to the user terminal 300 and provided to the user of the user terminal 300 .

The user terminal 300 according to an embodiment of the present invention is a terminal for checking in real time information about the amount of exercise and gait state of a patient using the infusion hanger 100 , and includes a smartphone, a smart watch, and a portable multimedia (PMP). Player), PDA (Personal Digital Assistants), desktop (Desktop) PC, laptop (Laptop) PC, tablet (Tablet) may be a terminal capable of network communication, including the like. In this case, the user of the user terminal 300 may include not only the patient who uses the infusion hanger 100 but also the patient's guardian, a clinician in charge of the patient's treatment, and the like.

The user terminal 300 according to an embodiment of the present invention may output a warning alarm based on the presence or absence of a fall of the patient determined by the infusion hanger 100 . When the control unit 40 of the infusion hanger 100 determines that a fall has occurred in the patient through the third sensor module 33 of the handle 12, the control unit 40 sends a warning signal to the server 200 through wired/wireless network communication. ) and the user terminal 300 may be delivered in real time. The user terminal 300 may output a visual or audible alarm for recognizing that an emergency has occurred based on the warning signal transmitted from the infusion hanger 100 . For example, the user terminal 300 receives the warning signal so that a phrase such as "a fall accident occurred while walking the patient, please take quick action" is output through the display of the user terminal 300 in text form. can Also, at the same time, a warning sound such as a siren sound having a predetermined pattern may be output through the speaker of the user terminal 300 .

The description of the present invention described above is for illustration, and those of ordinary skill in the art to which the present invention pertains can understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. For example, each component described as a single type may be implemented in a dispersed form, and likewise components described as distributed may be implemented in a combined form.

The scope of the present invention is indicated by the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalent concepts should be construed as being included in the scope of the present invention. .

10: body 10a: lower frame
10b: middle frame 10c: top frame
11: wheel 12: handle
20: camera 30: sensor unit
31: first sensor module 32: second sensor module
33: third sensor module 40: control unit
50: auxiliary camera 60: light source module
100: sap hanger 200: server
300: user terminal

Claims (9)

In the sap hanger that can measure walking distance and gait,
a body provided with a wheel at the lowermost end, and a handle for gripping the patient in one area of the middle;
a camera disposed at the bottom of the main body to take a floor image;
a sensor unit disposed in a middle region of the main body to sense a separation distance between the main body and a part of the patient's body and a height of the part of the body; and
Estimate the walking distance of the patient based on the floor image, and a control unit for estimating the patient's gait based on the separation distance and height infusion hanger.
The method of claim 1,
The control unit is
Each of the floor images photographed by the camera according to a predetermined period is divided into a plurality of cells, and the plurality of cells of each of the floor images are compared according to time sequence to locate cells having the same image. A sap hanger, characterized in that it analyzes the change.
The method of claim 1,
The sensor unit,
a first sensor module for sensing a separation distance between the body and a shoulder region of the patient and a height of the shoulder region; and
A second sensor module for detecting the separation distance between the main body and the pelvic region of the patient and the height of the pelvic region.
4. The method of claim 3,
The control unit is
Comparing the height of the patient's shoulder region and pelvic region before and during walking, and analyzing the separation distance between the body and the patient's shoulder region and pelvic region during walking, characterized in that the gait posture of the patient is estimated sap hanger.
4. The method of claim 3,
The sensor unit,
The infusion hanger, characterized in that it further comprises a third sensor module for measuring the pressure and shaking applied to the handle in order to detect the presence or absence of a fall of the patient.
The method of claim 1,
The body is
The infusion hanger, which is disposed in one middle region of the main body and further comprises an auxiliary camera for photographing one region of the patient's body spaced apart from the main body.
The method of claim 1,
The body is
Infusion hanger, characterized in that it further comprises a light source module that is sequentially turned on according to the movement distance of the patient.
In the patient's gait status monitoring system using an infusion hanger,
The infusion hanger according to any one of claims 1 to 7;
a server that analyzes the amount of motion and gait state of the patient using the infusion hanger based on the information about the walking distance and gait transmitted from the infusion hanger; and
The patient's gait status monitoring system, characterized in that it includes a user terminal capable of wired/wireless interworking with the infusion hanger and the server to output information on the amount of motion and gait status of the patient analyzed by the server.
9. The method of claim 8,
The user terminal is
The patient's gait state monitoring system, characterized in that outputting a warning alarm based on the presence or absence of a fall of the patient determined by the infusion hanger.

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